What file formats does the KDP Interior PDF Formatter support?

The formatter supports DOCX (Microsoft Word), PDF, JPG, and PNG files. You can upload a manuscript, pre-formatted PDF, or individual page images like Canva exports.

What trim sizes are supported?

All 17 Amazon KDP paperback trim sizes are supported, from 5" × 8" up to 8.5" × 11", including popular sizes like 6" × 9" and 5.5" × 8.5".

Does the formatter check for KDP formatting issues?

Yes. The validation report checks page dimensions, margins, bleed settings, DPI for images, safe zones, and common KDP rejection risks before you export.

Free Tool — No Watermark

Format Your KDP Interior PDF Free

Upload your manuscript or page files, choose a trim size, and export a KDP-ready interior PDF for Amazon KDP.

Free upload, validation & preview Supports DOCX, PDF, JPG, PNG Checks trim, margins, bleed, safe zones No watermark Built for Amazon KDP paperbacks

How It Works

Upload your file

DOCX, PDF, JPG, or PNG

Choose trim size

All 17 KDP sizes supported

Review issues

Margins, bleed, DPI checks

Download PDF

KDP-ready interior file

Works With Any Interior Type

Whether it's a novel manuscript or Canva-exported coloring pages, the formatter handles it.

Fiction / Nonfiction

Children’s Book

Coloring Book

Puzzle / Activity

Journal / Planner

Cookbook

Workbook

Image-Based Interior

Need the Full Book Package?

KDPBuilder can also create your manuscript, paperback cover, ebook cover, metadata, keywords, description, categories, author bio, upload checklist, and full publishing package.

FAQ

How many pages can I format for free?

Upload, full validation, and a formatted preview of the first 20 pages are always free with no watermark. Exporting the complete KDP-ready PDF uses credits, and subscribers get included full exports every month.

Does the formatter add a watermark?

No. The free formatter produces clean, watermark-free PDFs ready for Amazon KDP.

What file formats are supported?

DOCX (Microsoft Word), PDF, JPG, and PNG. You can upload a manuscript, pre-formatted PDF, or individual page images.

Will the formatter crop my content?

No. Content is scaled and repositioned to fit the selected trim size while preserving readability. Nothing is destructively cropped.

How much does the full export cost?

Up to 120 pages: 10 credits. 121–250 pages: 25 credits. 251–500 pages: 50 credits. 501–1,000 pages: 100 credits. Active subscribers get included full exports every month at no credit cost, and the 20-page preview is always free.